HM

Harold E. Mann

ZE Zenith Electronics: 1 patents #208 of 411Top 55%
📍 Skokie, IL: #276 of 674 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,307,069 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5087886 Rain-activated sprinkler shut-off system — 1992-02-11
4654705 Two channel audio scrambling system Ronald Forbes, John A. Lund 1987-03-31